Monday

November 24, 2014

November 24, 2014

Total # Posts: 561

**Physics**

Three charges are placed at the vertices of an isosceles triangle as shown in the figure. If q = 5.00 μC, calculate the electric potential at the midpoint of the base of the triangle. Also calculate the electric field vector at the same point due to the 3 charges. +q 4cm...
*October 25, 2014*

**Math URGENT QUICK QUESTION**

Oh I get it! It's -7! OMG thank u so much I really appreciate it :)
*September 25, 2014*

**Math URGENT QUICK QUESTION**

factor 9-6x-3x^2 The expression x^2-8x+k cannot be factored if k has the value A.)7 B.)0 C)-7 D)-9 Please show me how to do these questions step by step so that I can understand & learn
*September 25, 2014*

**Algebra, Please Help!**

How do i find the radius of a circle with the center (16/11,79/11)? Thanks
*September 24, 2014*

**TO MS SUE**

Please check my answers to my question, I posted this question before but no one answered or helped me. All I need is for someone to check my answers :)
*September 24, 2014*

**Math please check my answers**

Decide whether the lines in each pair are parallel , perpendicular, or neither. Justify your answers: A.) m=3/4 m=12/16 B.) m=100 m=0.01 C.) m=10 m= -0.1 My answers: A.) parallel because they both equal to 0.75 B.) neither because they aren't the same and aren't ...
*September 24, 2014*

**Math- check my answers**

Decide whether the lines in each pair are parallel , perpendicular, or neither. Justify your answers: A.) m=3/4 m=12/16 B.) m=100 m=0.01 C.) m=10 m= -0.1 My answers: A.) parallel because they both equal to 0.75 B.) neither because they aren't the same and aren't ...
*September 24, 2014*

**math**

Bella had 1/3 of a wall to paint.she painted 1/4 of what was left green and 1/2 yellow.what is the area of the region Bella.has not yet painted?
*September 22, 2014*

**Chemistry**

A certain brine has 3.96% NaCl by mass. A 75.0−mL sample weighs 76.7g How many liters of this solution should be evaporated to dryness to obtain 730kg NaCl?
*September 21, 2014*

**Math (Exponents)**

A. Complete expanded form of 4.728 in exponential notation?
*September 18, 2014*

**Math**

7x^2=8x
*September 17, 2014*

**math**

What is 56 1/4% = in the simplest form. Give the step by step example to help me understand. Thanks....
*August 12, 2014*

**math**

Can anyone plzzz help me? :( It would be greatly appreciated! Especially since I've been stuck on this since this morning :/
*June 5, 2014*

**math**

Hercules Films is deciding on the price of the video release of its film Bride of the Son of Frankenstein. Marketing estimates that at a price of p dollars, it can sell q = 300,000 − 15,000p copies, but each copy costs $4 to make. What price will give the greatest profit?
*June 5, 2014*

**math**

City Cellular purchased $28,900 in cell phones on April 25. The terms of sale were 4/20, 3/30, n/60. Freight terms were F.O.B. destination. Returned goods amounted to $650. a. What is the net amount due if City Cellular sends the manufacturer a partial payment of $5,000 on May...
*May 22, 2014*

**Math**

Eva is making bran muffin. She measures5/4 cups of bran, 1/4 cup of flour, and 7/4 cups of oats. What is the order of the ingredients from least to greatest amounts?
*May 8, 2014*

**math **

mr.musial traveled by car to a destination that is 1150 miles from hishome. it took him 3 days to drive to this destination. if mr.musial traveled the same distance each day, about how many miles did he travel each day? use estimation
*April 21, 2014*

**chemistry**

What volume of 1.25M HCl in liters is needed to react completely (with nothing left over) with 0.750L of 0.500M Na2CO3?
*April 7, 2014*

**Accounting Corporations**

Birch issued 200 shares of $12 par common stock in exchange for a piece of equipment with a current market value of $3,000.Whichof the following is not part of the journal entry for tis transaction? A.Debiting Equipment for $3,000 B.Crediting Common Stock for $3,000 C....
*March 10, 2014*

**Chemistry**

Where am I going wrong? Law, Theory or Hypothesis 1) A doctor thinks, but has not verified, that a patient with stomach pain has appendicitis - Hypothesis 2) a description that predicts what happens, but does not explain how -Hypothesis 3) an explanation that has been tested ...
*February 10, 2014*

** 061689 bussines accounting and you**

All i need detail how to do it i watch video but im not understanding if anybody have more specific explanation details Please help step by step what i need to do im so confused Thank you :)))
*December 31, 2013*

**chemistry**

What are the values of [H3O+] and [OH−] for a solution with pH = 3.86?
*November 22, 2013*

**chemistry**

that isn't helpful
*November 22, 2013*

**Chemistry**

Calculate the % composition of H2S. Then determine the number of grams of sulfur present in 339.79 g of H2S. *I don't know how to set up the equation after I find the % composition to find the grams of sulfur. Please help! Thanks, Bella :)
*November 22, 2013*

**chemistry**

Calculate the % composition of H2S. Then determine the number of grams of sulfur present in 339.79 g of H2S. *I don't know how to set up the equation after I find the % composition to find the grams of sulfur. Please help! Thanks, Bella :)
*November 22, 2013*

**chemistry**

if your lab partner determined that there were 4.030 x 1020 atoms of H in an unknown sample of C2H4Cl2, how many milligrams would the unknown sample weigh?
*November 21, 2013*

**chemistry**

if your lab partner determined that there were 4.030 x 1020 atoms of H in an unknown sample of C2H4Cl2, how many milligrams would the unknown sample weigh?
*November 21, 2013*

**chemistry**

if your lab partner determined that there were 4.030 x 1020 atoms of H in an unknown sample of C2H4Cl2, how many milligrams would the unknown sample weigh?
*November 21, 2013*

**chemistry**

I looked up how to solve it but my answer is coming out wrong. I don't know what i'm doing wrong please help!.Now if your lab partner determined that there were 4.030 x 1020 atoms of H in an unknown sample of C2H4Cl2, how many milligrams would the unknown sample weigh...
*November 21, 2013*

**chemistry**

I looked up how to solve it but my answer is coming out wrong. I don't know what i'm doing wrong please help!.Now if your lab partner determined that there were 4.030 x 1020 atoms of H in an unknown sample of C2H4Cl2, how many milligrams would the unknown sample weigh...
*November 21, 2013*

**chemistry**

I looked up how to solve it but my answer is coming out wrong. I don't know what i'm doing wrong please help!.Now if your lab partner determined that there were 4.030 x 1020 atoms of H in an unknown sample of C2H4Cl2, how many milligrams would the unknown sample weigh...
*November 21, 2013*

**chemistry**

I looked up how to solve it but my answer is coming out wrong. I don't know what i'm doing wrong please help!.Now if your lab partner determined that there were 4.030 x 1020 atoms of H in an unknown sample of C2H4Cl2, how many milligrams would the unknown sample weigh...
*November 21, 2013*

**math**

name the lengths of the sides of three rectangles with the perimeters of 12 units use only whole numbers
*November 21, 2013*

**4th grade math**

can someone show me how to do this one two small arrays have been combined to make a big array. what are the dimensions and product of the big array? fill in the equation that shows this big array broken into two small arrays. Square is broken into 10x6 and 10x5
*November 4, 2013*

**BUSINESS 101**

If a firm has a current ratio of 2.00,it means that for every $2in ___it has $1in___ A.total assets;current liabilities B.current assets;current liabilities C.total assets;total liabilities D.current assets;total liabilities my answer is c can somebody check thx During a ...
*October 15, 2013*

**business 101**

If a firm has a current ratio of 2.00it means that for every $2 in _____it has $1in A.total assets;current liabilities B.current assets;current liabilities C.total assets ;total liabilities D.current assets;total liabilities My answer is c Team diversity is often established ...
*October 11, 2013*

**Business**

Television is an attractive advertisnig medium because it A.offers a rapidly growing network audience. B.is relatively inexpensive. C.provides instant feedback which can be used to measure effectiveness. D.offers mass coverage and flexibility. I think is D :( can somebody check
*October 7, 2013*

**Business **

Camden Products buys a $500,000 machine by taking out a bank loan.The company's assets will______by $500,000 while its liabilities will_____by $500,000. A.rise;rise B.fall;fall C.fall;rise D.rise;fall My answer is D can somebody check for me thenk you
*October 7, 2013*

**astronomy**

Can CMB show that the universe was accelerating at the time the CMB formed thus measuring dark energy early in the universe?
*October 7, 2013*

**astronomy**

Can CMB show that the universe was accelerating at the time the CMB formed thus measuring dark energy early in the universe?
*October 7, 2013*

**Math**

Arman has 1160 annual income from bonds bearing 3% and 5 % interest. then he added 25% more of the 3% bonds and 40% more of the 5 % bonds, thereby increasing his annual income by 410. find his initial investment in each type of bond (if you would,just give me the formula and i...
*October 7, 2013*

**Math**

a picture 8 in. by 12 in. is placed in a frame which has a uniform width. if the area of the frame is equal to the area of the picture, find the dimension of the frame (if you would,just give me the formula and i'll take it from there) thank you
*October 7, 2013*

**algebra 1**

the sides of a triangle are (x+2),(3x+1), and (x+7) find the value of x if the perimeter is 140cm
*October 2, 2013*

**math 5th grade**

is it 59,424.8
*September 17, 2013*

**math**

Jphn just purchased a plasma t.v. for his living room. He paid $12,00 for a 46-inch television. The regular price of the television was $1,500. What percentage did John save during the sale? I got 20% but I wanted to see if I was right or not.
*June 13, 2013*

**Math**

306 miles after the first day
*May 30, 2013*

**english.**

1. i want to say is A. but i'm not sure. 2. i think is C. 3. i also want to say is D.
*April 28, 2013*

**english. **

“[R]emembering the rhythm” and “backs of buses” both contain examples of (1 point) alliteration. stanzas. rhyme. onomatopoeia. 2. Choose the option that corrects the sentence below. If the sentence is correct, select “d. The sentence is correct." ...
*April 28, 2013*

**Science**

A period of inactivity in the summer months due to the hot, dry weather is called _______ and is a(n) _______ adaptation.
*April 19, 2013*

**Science**

Yea, You were correct.
*April 19, 2013*

**Math**

How do you solve these type of equations? 2(-3x+1.5)=6 Can you please explain it to me?
*April 16, 2013*

**Physics**

A crane with a movable pulley system on a horizontal arm is moving a large container. The 355 kg container is hanging from a cable that is 6.15 m out on the 7.50 m arm. The arm has a mass of 345 kg. A cable that is attached to its end makes and angle 32.0 degrees with the ...
*April 7, 2013*

**math**

The ratio of dimes to nickels is 2/3. He has $.75 innickels. How many dimes does he have?
*April 1, 2013*

**Biochemistry**

B - Make both Nitrogens charged (+) so they'll be +HN and NH+
*March 31, 2013*

**HELP WITH MATH PLEASE!!!!!!!!!!**

What does 1/2 x 2 x 6 = ?
*March 27, 2013*

**Statistic**

Below are listed the numbers of doctors in various specialties by gender. Pathology Pediatric Psychiatry Male 12,575 33,020 27,803 Female 5,604 33,351 12,292 Choose 1 doctor at random. (a) Find the probability of choosing a Pathologist or a female? b.) Find the probability of ...
*March 24, 2013*

**Statistic**

Suppose that 15 students take a quiz and everyone in the class scores an 80. The standard deviation of scores for this quiz is ____________?
*March 24, 2013*

**Statistic**

A urn contains 21 red balls, 14 white balls If we randomly select 2 balls, one after the other without replacement, what is the probability that both of the balls selected are red?
*March 24, 2013*

**Maths A**

Sue was sailing in the area shown on the chart on 3 March 2013. At 9:00 a.m., she sighted the antenna mast on Wellings Island on a bearing of 180°T. Sue also took a sighting to the lighthouse on Abby Island and found it was at an angle of 098°M. (i) Sue sighted the ...
*March 16, 2013*

**Maths**

normal
*March 12, 2013*

**Maths**

A tyre manufacturer has chosen 48 tyres at random from a production line and issued them to taxis for testing. Assume that the 48 numbers you have selected refer to the number of thousands of kilometres travelled during the life of each tyre. (For example, a value of ‘32...
*March 12, 2013*

**Physical Science **

How do you calculate the number of grams of ice at 32 degrees celsius that can be melted by 1g of steam?
*March 11, 2013*

**Physical Science **

How do you get the velocity of a roller coaster when you are only given 250.0kg and 2.000x10^4 Joules
*March 11, 2013*

**Science**

Liquid Nitrogen boils at -196 degrees Celsius . What is the temperture on the Kelvin scale ?
*March 10, 2013*

**Science **

Eighty calories must be added to one gram of I've at zero degrees Celsius to melt it. Whst is the approximate mechanical equivalent of this amount of energy?
*March 10, 2013*

**Art**

Using the knowledge of public art gained during this lesson, critique your peers' artwork. Give three examples that will allow them to improve what they have created.
*March 4, 2013*

**HELP PLEASE!!!!!!!**

I don't know the answer,that's why I asked this program for help??????
*March 1, 2013*

**physics**

A window washer pushes his scrub brush →− up a vertical window at constant speed by applying a force F as shown in Fig. P5.74. The brush weighs 15.0 N and the coefficient of kinetic friction is μk = 0.150. Calculate (a) the magnitude of →− the ...
*February 27, 2013*

**Chemistry**

What mass of precipitate will form if 1.50 L of concentrated Pb(ClO3)2 is mixed with 0.750 L of 0.170 M NaI? Assume the reaction goes to completion.
*February 17, 2013*

**history**

lol thank you, i do, but its not the teacher, the principle wont let em give us the textbook for home, i tried to do the work in class but didnt finish, these are the only questions that i need done, and i tried that, its not really answerin the question
*February 13, 2013*

**history**

i do not have a history book, and i have a worksheet that requires one, my school does not handout textbook, they only have textbooks in the class, so please help thank you if you do why was the us able to expand its war production so quickly after the attack on pearl harbor? ...
*February 13, 2013*

**Math - check answer**

300 divide by 6 =50
*January 29, 2013*

**math**

how do you solve a question like this: (0,1,3,4) (-3,1,9,13
*January 28, 2013*

**Calculus**

Find the derivative w/ respect to x: g(x) = ln(sec(x))
*January 22, 2013*

**CALCULUS-plz!!!!**

Find derivative w/ respect to x: y=x^5/(1-x)ã(x^2+2) (hint: there is an easy way and a hard way!)
*January 22, 2013*

**Calculus**

Integrate: x/(9+x^4)dx
*January 22, 2013*

**Please help -biology**

Thank you!!!! :)
*January 17, 2013*

**Please help -biology**

why does water and hydrogen peroxide have different chemical and physical properties
*January 17, 2013*

**Biology**

why does water and hydrogen peroxide have different chemical and physical properties
*January 17, 2013*

**Biology**

why does water and hydrogen peroxide have different chemical and physical properties
*January 17, 2013*

**computer**

Statement: Bits can be used to represent A) numbers, B) names, C) colors and D) dates. This holds true for: A. A only B. A and C C. A and D D. A, B, C and D
*January 15, 2013*

**math**

It is recommended that when calculating a quantity, all intermediate calculations should be done with extra digits. This avoids the accumulation of A. Off-By-One Errors B. Roundoff Errors C. Standard Errors D. Type One Errors
*January 15, 2013*

**math**

is x^5 a function?
*December 17, 2012*

**math**

965.604, but I rounded to the nearest tenth and got ----> 966
*December 4, 2012*

**variables and expressions**

explain what the expression 6x means
*December 3, 2012*

**algebra**

Use factoring and the zero-product property to solve the following problems. 1.9r^2-30r+21=-4
*November 28, 2012*

**Probability please help!**

hahaha is RIGHT!!!!!!! ur all worng!! :) :(
*November 20, 2012*

**Chemistry**

Devise a test to distinguish between Cu2+ and Co2+.
*November 18, 2012*

**Chemistry**

Devise a test to distinguish between Cu2+ and Co2+.
*November 18, 2012*

**probability**

3/10
*November 15, 2012*

**Chemistry**

I multiplied 50g by 975 mL and then 20g by 975 mL. Then I used the given pKa of 4.745 + log (19,500 / 48,750) = 4.35
*November 12, 2012*

**Chemistry**

A solution is prepared by dissolving 50.0 g of pure HC2H3O2 and 20.0 g of NaC2H3O2 in 975 mL of solution (the final volume). what is the ph? What would the pH of the solution be if 50.0 mL of 0.900 M NaOH were added? What would the pH be if 30.0 mL of 0.30 M HCl were added to ...
*November 12, 2012*

**Science**

2. Contrast the metric units of distance, time, and speed. Describe the relationship between them.
*October 23, 2012*

**writing**

I rewrote it a little bit leaving out so many "you". Plus I was concerned with punctuation if I missed anything. Thank you for helping. The first thing needed to make my favorite sandwich is to gather the three main ingredients, which are bread, mayo and a whole...
*September 15, 2012*

**writing**

Ok thank you for replying I was not told about using "you" maybe I should fix that. I will have to relook over it again. Plus I will fix the spaces, thought I did that but I think when I copy and pasted it on here something messed up.
*September 15, 2012*

**writing**

is this 5 sentences paragraph i wrote myself have good grammar and in chronological order? The first thing you need to make my favorite sandwich is to gather your three main ingredients, which are bread, mayo and a whole tomato. After you have those things begin by cutting the...
*September 15, 2012*

**college algebra**

thank you!
*August 24, 2012*

**college algebra**

If I understood it I would not have to ask for help! I got it wrong in the 1st place and wanted to see the right answer. Thank you!!
*August 24, 2012*

**college algebra**

use rational zeros theorem to find all the real zeros in the polynomial function. use zeros to factor f over real numbers. f(x)=x^3+10x^2-13x-22 find real zeros of f? use real zeros to factor f?
*August 24, 2012*

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